The shield of the RS-485 cable must be connected to the ground at one end only
2.3 Measurements
Measurement Description
Voltage Actual voltage of each phase-phase and phase-neutral.
Current Actual current of each phase and neutral current.
Active power (P) Active power of each phase.
Reactive power (Q) Reactive power of each phase.
Apparent power (S) Total apparent power.
Demand
Demand of each phase current, active power and reactive
power.
Power factor (PF) Power factor of each phase and total power factor.
Min./max. :
Min./max. of demand, voltage, current and active/reactive
power.
THD (up to 15th harmonics) Voltage/current THD of each phase.
Energy
Import and export of energy, inductive and capacitive of reactive
energy.
Alarm Alarm can be related to any metering parameters.
Running hour Meters the duration of the operation
DESIGNER'S HANDBOOK 4189320063D EN Page 8 of 23
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